A new study reveals that Earth's biomes changed dramatically in the wake of mass volcanic eruptions 252 million years ago.

Increasing volcanic activity at the over 11,000-foot-tall, snowcapped volcano in Alaska is likely a sign of its impending first eruption since 1992, experts say. Mount Spurr, located about 75 miles ...

Alaska's Mount Spurr, an active volcano near the most populated region in the state, is getting even closer to an eruption, ...

The Alaska Volcano Observatory on Wednesday said Mount Spurr is at risk of erupting within the next few weeks or months, potentially impacting residents 78 miles away in the city of Anchorage.

Volcanologists at the Alaska Volcano Observatory have been monitoring volcanic unrest since April of last year.

Social media users were blown away by the hair-raising moment in the viral video, with one saying it's "insane." ...

Researchers led by Dr. Maura Brunetti at the University of Geneva studied fossilized plant remains, using spores, pollen, and ...

Standing at 12,300 feet, Guatemala's Volcan de Fuego is among the most active in Central America and last erupted in June ...

In a remote corner of the U.S., active volcanoes wait patiently above the ridgelines, leaving residents on edge.

If you're looking for the short answer: Yes, South Dakota would be greatly impacted if the Supervolcano at Yellowstone erupts ...